This is a reference for the various sections that can be set in the
<kupuconfig> xml block at the top of your editing template. It is
currently somewhat incomplete and could do with the attentions of an
experienced Kupu developer ;)

<src>http://www.example.com/mysource.html</src>

  ??

<dst>http://www.example.com/mysource.html</dst>

  This is the URL to which the contents of the editing <iframe> will
  be sent by html POST when the save button is clicked in the editor.

<use_css>1</use_css>

  ??

<reload_after_save>0</reload_after_save>
  
  ??

<strict_output>1</strict_output>
 
  ??

<content_type>text/html</content_type>

  ??

<compatible_singletons>1</compatible_singletons>
  
  ??

<image_xsl_uri>http://www.example.com/kupu/kupudrawers/drawer.xsl</image_xsl_uri>

  ??
              
<link_xsl_uri>http://www.example.com/kupu/kupudrawers/drawer.xsl</link_xsl_uri>

  ??
              
<image_libraries_uri>http://www.example.com/kupu/kupudrawers/imagelibrary.xml</image_libraries_uri>

  ??
              
<link_libraries_uri>http://www.example.com/kupu/kupudrawers/linklibrary.xml</link_libraries_uri>

  ??
              
<search_images_uri> </search_images_uri>

  ??
              
<search_links_uri> </search_links_uri>

  ??
              
<cleanup_expressions>...</cleanup_expressions>

  This contains the expressions used by the cleanup tool. Their format
  should be documented in kupucleanupexpressions.js.

?? - there may be more ;-)